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Red Colobus (p. 36) 
The Red Colobus Monkey, by T.T. 
Struhsaker (Chicago: University of 
Chicago Press, 1975), is a detailed ac- 
count of this primate’s social behavior 
and structure. Struhsaker spent twen- 
ty-seven months in Kibale Forest in 
western Uganda, studying colobus in- 
tragroup and intergroup social interac- 
tions, population structures and 
densities, food habits, and ranging and 
activity patterns. Although he focuses 
primarily on one group of Colobus ba- 
dius tephrosceles, he also provides data 
on other groups and subspecies, includ- 
ing C.b. temminckii. This volume, part 
of the “Wildlife Behavior and Ecology” 
series, edited by G.B. Schaller, also has 
sections devoted to vocalizations and 
ecology and a bibliography. A more 
general work is T. Rowell’s Social Be- 
haviour of Monkeys (London: Penguin 
Books, 1972), which explores social or- 
ganization, field and captive environ- 
ments, intergroup communications, 
and concepts of hierarchy, territory, 
and roles. Drawing from her own work 
with wild baboons, Rowell also gives a 
general account of other monkeys, em- 
phasizing the African Old World spe- 
cies. Much information is given on 
colobus, vervets, and patas monkeys. In 
The Langurs of Abu (Cambridge: Har- 
vard University Press, 1977), S. Blaffer 
Hrdy studies female and male repro- 
ductive strategies in another member of 
the subfamily Colobinae. Her book 
covers encounters between troops, in- 
vasion strategies, competition among 
females, infant sharing, infanticidal 
males, and female counterstrategies. It 
also discusses other colobines. The 
twenty-eight articles in Primate Ecolo- 
gy, edited by R.W. Sussman (New 
York: John Wiley and Sons, 1979), rep- 
resent some of the earliest attempts at 
problem-oriented field research. The 
section on Old World monkeys in- 
cludes an article by T. Struhsaker and 
J.F. Oates, “Comparison of the Behav- 
